The Promise[@@species] static accessor property returns the constructor used to construct return values from promise methods.

The compile() method of RegExp instances is used to recompile a regular expression with new source and flags after the RegExp object has already been created.

The padStart() method of String values pads this string with another string (multiple times, if needed) until the resulting string reaches the given length. The padding is applied from the start of this string.

The bold() method of String values creates a string that embeds this string in a <b> element (<b>str</b>), which causes this string to be displayed as bold.

The italics() method of String values creates a string that embeds this string in an <i> element (<i>str</i>), which causes this string to be displayed as italic.

The link() method of String values creates a string that embeds this string in an <a> element (<a href="...">str</a>), to be used as a hypertext link to another URL.

The getSeconds() method of Date instances returns the seconds for this date according to local time.

The getMonth() method of Date instances returns the month for this date according to local time, as a zero-based value (where zero indicates the first month of the year).

The getMilliseconds() method of Date instances returns the milliseconds for this date according to local time.

The setFloat64() method of DataView instances takes a number and stores it as a 64-bit floating point number in the 8 bytes starting at the specified byte offset of this DataView. There is no alignment constraint; multi-byte values may be stored at any offset within bounds.